Reduced Pressure Zone Device

We install, repair, and certify existing backflow devices for domestic water, fire protection and lawn irrigation systems. Upon completion of an inspection, we will send all necessary reports directly to the proper agency or municipality. We install and service RPZ devices that range in size from ¼” through 12”. Our work is guaranteed to be compliant with all state, local, and EPA requirements.

D&H Lawn Irrigation, Inc. is a licensed plumbing contractor with the State of Illinois. We are also licensed cross-connection control device inspectors (CCCDI) with the State of Illinois, Indiana, and Wisconsin.

D&H Lawn Irrigation, Inc. can completely retrofit outdated fire protection systems. We can supply fire safety hydraulic calculations. We also supply backflow assemblies for fire protection systems, lawn irrigation systems, and domestic water supplies. Please contact our office for more information.